1900744230 has 384 divisors, whose sum is σ = 6275727360. Its totient is φ = 359251200.

The previous prime is 1900744213. The next prime is 1900744231. The reversal of 1900744230 is 324470091.

It is a happy number.

It is a super-2 number, since 2×1900744230² = 7225657255756585800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900744231) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14966427 + ... + 14966553.

It is an arithmetic number, because the mean of its divisors is an integer number (16343040).

Almost surely, 2^1900744230 is an apocalyptic number.

1900744230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1900744230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3137863680).

1900744230 is an abundant number, since it is smaller than the sum of its proper divisors (4374983130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1900744230 is a wasteful number, since it uses less digits than its factorization.

1900744230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1900744230 is about 43597.5255031751. The cubic root of 1900744230 is about 1238.7240234750.

The spelling of 1900744230 in words is "one billion, nine hundred million, seven hundred forty-four thousand, two hundred thirty".